The U.S. Pharmacopeia (USP) published updates to the USP 797 on compounding sterile preparations in November 2022. Among the revisions are updates to the beyond-use dates (BUDs)

According to USP, beyond-use dates are, “the date, or hour and the date, after which a compounded sterile preparation (CSP) or compounded nonsterile preparation (CNSP) must not be used, stored, or transported.”

The BUD is determined from the date and time the preparation is compounded.

BUDs help decrease the ris…

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